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Old 07-08-2012, 06:08 PM
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Daughter Ran Into Over heating today.

First real hot day, about 100 today, and about 20 miles into her trip to the lake the jeep over heated.

Still has antifreeze in it, although it was low, but I recognize it may be time to look at things.

Last fall I replaced water pump, thermostat, chem flushed the system and kept running water through it till it came out crystal clear. But I believe there is still a small leak since the overflow was not as full as I left it.

Im thinking of replacing the radiator, and the shroud since the shroud is broken and Im sure its not as effective as it should be. So Im wondering if there are any recommendations to what radiator and if there is a replacement junkyard shroud that I could get? We really have no wranglers, and I would be lucky to find an old cherokee, but Im thinking there should be something else out there that is real close and wont be too much to modify it to mount.

Oh, '87 Wrangler, 4.2L 5speed... 2/60 air cond.

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Old 07-08-2012, 06:32 PM   #2
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Shops don't repair radiators anymore?

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Old 07-08-2012, 06:34 PM   #3
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It sounds like a stuck thermo? I know it has a new one but u could take off Ur hoses and try run water through radiator
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Old 07-08-2012, 06:35 PM   #4
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If you can't see a leak and yet your loosing fluid, check your oil.
If its a milky color you might have a blown head gasket.
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Old 07-08-2012, 06:54 PM
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Oil is normal, and the last time I checked the thermostat was opening normally; I believe a few weeks ago. But I will check it anyway, you never know.

But the radiator looks like the original and is horrifically crusty, and it didnt take long for the overflow to be dark brown in color again either. In my experience, it costs as much and sometimes cheaper for a new/aftermarket replacement as it does to rebuild one. I was just wondering if someone had experience with a better radiator; but Im also sure the shroud is part of the problem.

In the mean time I will be cleaning out the system again to hopefully clean out most of the rust/garbage in case that is causing most of the problem, as well as checking the thermo.
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Old 07-08-2012, 06:56 PM   #6
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A new radiator from AutoZone is like 150 I have one havent had any problems
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Old 07-08-2012, 06:57 PM
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A new radiator from AutoZone is like 150 I have one havent had any problems
OEM style or a aftermarket plastic version?
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Old 07-08-2012, 06:59 PM   #8
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OEM style or a aftermarket plastic version?
Its aluminum the original is copper I think
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Old 07-08-2012, 06:59 PM
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oh, what about sending unit/wiring issues? Anyone have something like that?
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Old 07-08-2012, 07:00 PM
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I like aluminum rads... thanks.
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Old 07-08-2012, 07:03 PM   #11
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oh, what about sending unit/wiring issues? Anyone have something like that?
No sending units on the rad if thats what ya mean
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Old 07-08-2012, 07:05 PM
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No sending units on the rad if thats what ya mean
Daughter had to go to work so I cannot check, but I was thinking of the sending unit on the block; may be its going bad/bad wiring and caused it to peg the meter. I think I will check more into that one too.
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Old 07-08-2012, 07:08 PM   #13
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Daughter had to go to work so I cannot check, but I was thinking of the sending unit on the block; may be its going bad/bad wiring and caused it to peg the meter. I think I will check more into that one too.
O I thought u knew it was overheatting yea those r famous for going bad mine use to never worked it'd peg out sometimes or not work mine had a bad connection on the back of the gauge a screw wasn't tight
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Old 07-08-2012, 07:14 PM
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O I thought u knew it was overheatting yea those r famous for going bad mine use to never worked it'd peg out sometimes or not work mine had a bad connection on the back of the gauge a screw wasn't tight
Aha, something a little more solid to work with. I mean the radiator is nasty looking, but Ive had worse ones and those rigs never over heated. But since I wasnt in the rig I could not verify whether not it was actually over heating. I do however know that shroud needs to be replaced and may actually help too.

Thanks again.
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Old 07-08-2012, 07:23 PM   #15
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Aha, something a little more solid to work with. I mean the radiator is nasty looking, but Ive had worse ones and those rigs never over heated. But since I wasnt in the rig I could not verify whether not it was actually over heating. I do however know that shroud needs to be replaced and may actually help too.

Thanks again.
No problem! Ps I have no fan shroud haha
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Old 07-08-2012, 07:26 PM
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No problem! Ps I have no fan shroud haha
No heating/cooling issues?

I was gonna say, my other jeeps and cars over the years didnt seem to care that much, but this '66 mustang of my wifes does so I did have to wonder about the Wrangler.
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Old 07-08-2012, 07:28 PM   #17
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No heating/cooling issues?

I was gonna say, my other jeeps and cars over the years didnt seem to care that much, but this '66 mustang of my wifes does so I did have to wonder about the Wrangler.
No problems yet
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Old 07-08-2012, 07:35 PM
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No problems yet
Your pictures seem eerily similar to the area that I live. Central Washington state, we can get some hot summers, and some cold winters. How about you?

the more I think about it, seems to me the shroud really only helps in the slow moving times. Stop and go traffic and the like; otherwise at hwy speeds it doesnt matter as much.
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Old 07-08-2012, 07:38 PM   #19
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Your pictures seem eerily similar to the area that I live. Central Washington state, we can get some hot summers, and some cold winters. How about you?

the more I think about it, seems to me the shroud really only helps in the slow moving times. Stop and go traffic and the like; otherwise at hwy speeds it doesnt matter as much.
I live in southern ut. Yes we can have winters below 0 and over 110 in summer
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Old 07-08-2012, 07:39 PM
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I live in southern ut. Yes we can have winters below 0 and over 110 in summer
Im not gonna worry about the shroud then.
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Old 07-08-2012, 07:40 PM   #21
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Im not gonna worry about the shroud then.
Should be ok haha
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Old 07-08-2012, 07:41 PM   #22
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Have you driven the rig and seen it overheat? I have a vehicle that I swore was overheating by looking at the gauge but it turns out that as soon as I turn on the lights the temp gauge pegged out telling me I have a faulty ground..
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Old 07-08-2012, 07:46 PM
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Have you driven the rig and seen it overheat? I have a vehicle that I swore was overheating by looking at the gauge but it turns out that as soon as I turn on the lights the temp gauge pegged out telling me I have a faulty ground..
No, but she let it cool down for a while, then drove it home and the problem didnt occur again. Im kinda leaning towards that kind of problem now, but will check the other things as well just in case.

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